@book { SichtbareErinnerung,
    title = "Sichtbare Erinnerung",
    subtitle = "Der Umgang mit Denkmälern in Österreich",
    author = "Alexandra {Vasak}",
    year = "2004",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097245"
}